Home / 46,987.05-70,480.59-18,898.68

Finding the Fourth Proportional to 46,987.05, 70,480.59 and 18,898.68

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Solution

The fourth proportional to 46,987.05, 70,480.59 and 18,898.68 is: 28,348.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,987.05 : 70,480.59 = 18,898.68 : x
  2. Step 2: Convert to fraction form
    46,987.05/70,480.59 = 18,898.68/x
  3. Step 3: Cross multiply
    46,987.05x = 70,480.59 × 18,898.68
  4. Step 4: Simplify right side
    46,987.05x = 1,331,990,116.62
  5. Step 5: Solve for x
    x = 1,331,990,116.62/46,987.05
  6. Step 6: Final answer
    x = 28,348.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.